<template>
  <div class="mod-config">
    <el-tabs v-model="activeName" @tab-click="changeSort()">
      <el-tab-pane label="全部" name=0></el-tab-pane>
      <el-tab-pane label="公开" name=1></el-tab-pane>
      <el-tab-pane label="非公开" name=2></el-tab-pane>
    </el-tabs>


    <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
      <el-form-item>
        <el-input v-model="dataForm.key" placeholder="课程标题" clearable></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="getDataList()">查询</el-button>

      </el-form-item>
    </el-form>
    <el-table
      highlight-current-row
      ref="refTable"
      :data="dataList"
      border
      v-loading="dataListLoading"
      @expand-change="clickChange2"
      style="width: 100%;">
      <!--      :row-key="getRowKeys"-->
      <!--      :expand-row-keys="expands"-->
      <!--      @row-click="clickRowHandle"-->

        <el-table-column width="50" type="expand" >

          <template slot-scope="scope">

            <div>
              <el-table
                :data="detailInfo"
                class="demo-table-expand"
              >
                <el-table-column
                  label="视频名称"

                  prop="name"
                >

                </el-table-column>
                <el-table-column
                  label="集数位置"
                  prop="index"
                >
                  <template slot-scope="scope">
                    <el-select style="width: 100px" v-model="scope.row.index" placeholder="请选择"
                               @change="changeVideo">
                      <el-option
                        v-for="item in options"
                        :key="item.value"
                        :label="item.label"
                        :value="item.value">
                      </el-option>
                    </el-select>
                    <el-button style="margin-left: 15%" type="danger" @click="videoDelete(scope.row,detailInfo)">删除</el-button>

                  </template>

                </el-table-column>
              </el-table>
            </div>

            <el-button style="position: relative;left: 45%;margin-top: 3%" type="danger" @click="changeVideo(detailInfo)">
              确认更改
            </el-button>
          </template>
        </el-table-column>




      <el-table-column
        prop="courseTitle"
        header-align="center"
        align="center"
        label="课程标题">
      </el-table-column>


      <el-table-column
        prop="teacherId"
        header-align="center"
        align="center"
        label="教师的id">

      </el-table-column>


      <el-table-column
        header-align="center"
        align="center"
        label="更新时间">
        <template slot-scope="scope">
          <span v-if="scope.row.updateTime ===  ''">暂未更新</span>
          <span v-else>{{scope.row.updateTime}}</span>
        </template>
      </el-table-column>


      <!-- <el-table-column
        prop="videoUrl"
        header-align="center"
        align="center"
        label="课程视频的地址，如果有多个用'\n'隔开">
      </el-table-column> -->
      <!--      <el-table-column-->
      <!--        prop="courseType"-->
      <!--        header-align="center"-->
      <!--        align="center"-->
      <!--        label="课程分类">-->
      <!--      </el-table-column>-->
      <el-table-column
        fixed="right"
        header-align="center"
        align="center"
        width="300"
        label="操作">
        <template slot-scope="scope">
          <el-button style="background-color: #5cc0f5;color: #fffcfc" size="mini" @click="clickChange(scope.row)">调整视频位置</el-button>

          <el-button style="background-color: #2ed9bf;color: #fffcfc" size="mini" @click="show(scope.row)">上传课程视频
          </el-button>
        </template>
      </el-table-column>
      <!--      <el-table-column-->
      <!--        fixed="right"-->
      <!--        header-align="center"-->
      <!--        align="center"-->
      <!--        width="120"-->
      <!--        label="操作">-->
      <!--        <template slot-scope="scope">-->
      <!--          <el-button  style="background-color: #2ed9bf;color: #fffcfc" size="mini" @click="addOrUpdateHandle(scope.row.id)">修改</el-button>-->
      <!--          <el-button  style="margin-right:10px;margin-top:4px;background-color: #ff6565;color: #fffcfc" size="mini" @click="deleteHandle(scope.row.id)">删除</el-button>-->
      <!--        </template>-->
      <!--      </el-table-column>-->
    </el-table>


    <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageIndex"
      :page-sizes="[10, 20, 50, 100]"
      :page-size="pageSize"
      :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper">
    </el-pagination>

    <el-dialog title="上传课程视频"
               v-if="showDiaLog"
               :visible.sync="showDiaLog"
               style="text-align: center"

    >
      <multi-upload
        style="margin-top: 5%"
        @getVideo="getVideo"
        :value="video"
      >
      </multi-upload>
      <div slot="footer" class="dialog-footer">
        <el-button @click="clickCancel">取 消</el-button>
        <el-button type="primary" @click="updateVideo">确 定</el-button>
      </div>
    </el-dialog>


    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>
  </div>
</template>

<script>

import AddOrUpdate from './course-add-or-update'
import MultiUpload from '../../../components/upload/multiUploadVideo'
import log from '../sys/log'

export default {
  data () {
    return {

      dataForm: {
        key: '',
        video: []
      },
      videoForm: {
        id: '',
        videoUrl: []
      },
      detailInfo: [],
      // detailInfo:[{"name":"我是第一季","index":2,"url":"sedqweqweqwewqe"},{"name":"我是第二季","index":2,"url":"sedqweqweqwewqe"}],
      // detailInfo:[{"name":"share_f1cf6f1ae6d462384af8717f3d4d571c.mp4","url":"2021-12-17/dda6e40efc7a4d7ba86d8aff21c4b60d_share_f1cf6f1ae6d462384af8717f3d4d571c.mp4","index":1},{"name":"JoJo\u0027s Gang Torture Dance.mp4","url":"2021-12-17/dda6e40efc7a4d7ba86d8aff21c4b60d_JoJo\u0027s Gang Torture Dance.mp4","index":2}],
      //[{"name":"share_f1cf6f1ae6d462384af8717f3d4d571c.mp4","url":"2021-12-17/dda6e40efc7a4d7ba86d8aff21c4b60d_share_f1cf6f1ae6d462384af8717f3d4d571c.mp4","index":1},{"name":"JoJo\u0027s Gang Torture Dance.mp4","url":"2021-12-17/dda6e40efc7a4d7ba86d8aff21c4b60d_JoJo\u0027s Gang Torture Dance.mp4","index":2}]
      video: [],
      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false,
      activeName: 0,
      showDiaLog: false,
      num: '',
      options: [
        {
          value: '1',
          label: '1'
        },
        {
          value: '2',
          label: '2'
        }, {
          value: '3',
          label: '3'
        }, {
          value: '4',
          label: '4'
        }, {
          value: '5',
          label: '5'
        }],
    }
  },
  components: {
    MultiUpload,
    AddOrUpdate,

  },
  activated () {
    this.getDataList()
  },
  methods: {
    // 获取数据列表
    getDataList () {
      this.dataListLoading = true
      this.$http({
        url: this.$http.adornUrl('/course/course/list'),
        method: 'get',
        params: this.$http.adornParams({
          'page': this.pageIndex,
          'limit': this.pageSize,
          'key': this.dataForm.key,
          'sort': this.activeName
        })
      }).then(({data}) => {
        if (data && data.code === 0) {
          // console.log(data)
          // console.log(data)
          console.log(data)
          this.dataList = data.page.list
          this.totalPage = data.page.totalCount
        } else {
          this.dataList = []
          this.totalPage = 0
        }
        this.dataListLoading = false
      })
    },
    // 每页数
    sizeChangeHandle (val) {
      this.pageSize = val
      this.pageIndex = 1
      this.getDataList()
    },
    // 当前页
    currentChangeHandle (val) {
      this.pageIndex = val
      this.getDataList()
    },
    show (row) {
      this.videoForm.id = row.id
      //将数据从字符串转成json
      // console.log(JSON.parse(row.videoUrl))
      // console.log(row.videoUrl)
      if (row.videoUrl !== '') {
        this.video = JSON.parse(row.videoUrl)
        this.videoForm.video = JSON.parse(row.videoUrl)
      }

      // console.log(typeof JSON.parse(row.videoUrl))

      // console.log(this.video)
      this.showDiaLog = true
    },
    // 多选
    selectionChangeHandle (val) {
      this.dataListSelections = val
    },
    // 新增 / 修改
    addOrUpdateHandle (id) {
      this.addOrUpdateVisible = true
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id)
      })
    },
    // 删除
    deleteHandle (id) {
      var ids = id ? [id] : this.dataListSelections.map(item => {
        return item.id
      })
      this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$http({
          url: this.$http.adornUrl('/course/course/update'),
          method: 'post',
          data: this.$http.adornData(ids, false)
        }).then(({data}) => {
          if (data && data.code === 0) {

            this.$message({
              message: '操作成功',
              type: 'success',
              duration: 1500,
              onClose: () => {
                this.getDataList()
              }
            })
          } else {
            this.$message.error(data.msg)
          }
        })
      })
    },
    changeSort () {
      this.dataForm.key = ''
      this.getDataList()
    },
    getVideo (video) {

      this.videoForm.videoUrl = video
      // console.log((this.videoForm))
    },


    updateVideo () {
      //如果没有上传视频就提示上传视频
      if (this.videoForm.videoUrl.length === this.video.length) {
        this.$http({
          url: this.$http.adornUrl('/course/course/updateVideo'),
          method: 'post',
          data: this.$http.adornData(this.videoForm)
        }).then(({data}) => {
          if (data && data.code === 0) {
            this.$message({
              message: '上传成功',
              type: 'success',
              duration: 1500,
              onClose: () => {
                this.getDataList()
                this.showDiaLog = false
              }
            })
          } else {
            this.$message.error(data.msg)
          }
        })
      } else {
        this.$message.error('请上传视频')
      }

    },

    //  点击取消
    clickCancel () {
      this.showDiaLog = false
    },
    //调整视频顺序
    clickChange(row){
      this.detailInfo = []
      if (row.videoUrl !== '') {
        this.detailInfo = JSON.parse(row.videoUrl)
      }
      this.$refs.refTable.toggleRowExpansion(row)
    },
    //点击展开符号的事件
    clickChange2(row){
      this.detailInfo = []
      if (row.videoUrl !== '') {

        this.detailInfo = JSON.parse(row.videoUrl)
      }
    },
    //点击更改视频数据 ---todo
    changeVideo (data) {
      console.log(data)
    },
    videoDelete(data){
      // console.log(data,b)
      let a= []
      this.detailInfo.forEach((video)=>{
        if (data.index !== video.index){
          console.log(data.index)
          console.log(video.index)
          a.push(video)
        }
      })
      console.log(a)
      this.detailInfo = a
    }
  }
}
</script>
